EP 0342172 B1 19910904 - BEARING ARRANGEMENT IN ROTARY MACHINES
Title (en)
BEARING ARRANGEMENT IN ROTARY MACHINES
Publication
Application
Priority
SE 8801787 A 19880511
Abstract (en)
[origin: EP0342172A1] A rotary machine, such as a hammer drill, comprises a tool-carrying shaft (12), which is rotatably supported in the machine housing (11) by means of a ball bearing (24). The outer race ring (25) and the inner race ring (26) of the bearing are axially secured in the housing (11) and on the shaft (12) resp. In order to make possible a limited axial movement of the shaft (12) relative to the housing (11) one of the race tracks (27) of the inner race ring (26) and the outer race ring (25) is formed cylindrical.
IPC 1-7
IPC 8 full level
B23B 45/00 (2006.01); B23B 45/16 (2006.01); B25D 16/00 (2006.01); F16C 19/06 (2006.01); F16C 23/08 (2006.01); F16C 33/58 (2006.01)
CPC (source: EP US)
B23B 45/008 (2013.01 - EP US); B25D 16/00 (2013.01 - EP US); F16C 19/06 (2013.01 - EP US); F16C 23/08 (2013.01 - EP US); F16C 33/58 (2013.01 - EP US); B25D 2211/064 (2013.01 - EP US); Y10T 408/96 (2015.01 - EP US)
Designated contracting state (EPC)
DE FR GB IT SE
DOCDB simple family (publication)
EP 0342172 A1 19891115; EP 0342172 B1 19910904; DE 68900239 D1 19911010; JP H01320315 A 19891226; SE 462438 B 19900625; SE 8801787 D0 19880511; SE 8801787 L 19891112; US 4944642 A 19900731
DOCDB simple family (application)
EP 89850113 A 19890410; DE 68900239 T 19890410; JP 11434789 A 19890509; SE 8801787 A 19880511; US 34422189 A 19890427